20ft Cold Storage Refrigerated Containers for Sale 

20ft Cold Storage Refrigerated Containers for Sale 

Instant Cold Storage Solution!

Need a brand new and reliable cold storage solution? Look no further than our 20ft New Standard Refrigerated Cold Storage Containers!

Maintain perfect temperatures for your cargo:

  • Carrier or Daikin units: -20°F to +70°F
  • Thermo King units: -40°F to +70°F

These containers are ideal for:

  • Food
  • Pharmaceuticals
  • Flowers
  • And any other temperature-sensitive items

Additional features:

  • Fits in a standard parking space: Easily store your container on-site without needing a large footprint.
  • Low humidity: Maintains optimal moisture levels to protect your goods.
  • Customizable: Tailor your container to your specific needs with side opening butcher doors (and other options available!).
  • 408-480V 3 Phase WYE 25 Amp electrical service: Provides ample power for your refrigeration unit.

Get a brand new refrigerated container and ensure the perfect temperature for your needs!

We also offer used cold storage containers. See if a used refrigerated container is right for you!

Have questions?

Schedule a call

 

Input BRY430P7W 480V 32A 3P plug

Container Plug BRY430P7W 480 V 3 Ph 30 Amp

Wiring Color Codes:

  1. Phase (Black) 208-230 V
  2. Phase (Red) 208-230 V
  3. Phase (White) 208-230 V
  4. Ground (Green)

NO NEUTRAL! 3 Phase WYE Only!

insulated walls

3” Insulated Walls

Fully insulated with 3” foam to maintain a constant internal temperature. Covers, walls, ceiling and floor. 

Reefer container doors

Secure Closing Cargo Doors with Locking Rods

The secure closing cargo doors provide a tight and protective seal. Fit with locking rods that engage at multiple points of contact along the top and bottom of the container.

  • Easy access 
  • Weather resistant 
  • Leak proof
  • Compatible with a cargo door lock
Corner Castings

Corner Castings

All storage containers for rent come standard with corner castings. They allow for stacking; lifting with a crane; and absorb the weight of the container. 

  • ISO 
  • Corten Steel
T-grade aluminum floor

Aluminum T-grade Floor

Strengthened thermal treated aluminum floor. Withstands abrasion from foot traffic, equipment and repeated use. Keeps the contents of the container elevated so that cold air can flow underneath.

two way forklift pockets

Two-way Forklift Pockets

Conveniently placed for mobility around the job site. Can be moved with a 15,000 lbs forklift.

External dimensions

Length 20 ft (6.58 m)
Width 8 ft (2.44 m)
Height 8 ft 6 in. (2.62 m)

Internal dimensions

Length 19 ft (5.8 m)
Width 7 ft 8 in. (2.34 m)
Height 7 ft 10 in. (2.38 m)

Weight

Tare Weight 6,370 lbs (2,890 kgs)
Payload 60,830 lbs (27,590 kgs)
Gross Weight 67,200 lbs (30,480 kgs)

Power requirements

Voltage 408-480 V
Amperage 25 Amps
Phases 3 Phase WYE

Cooling capacity at 38°C (100°F) ambient temperature

Brand Air to Evaporator Cooling Capacity Power
Carrier -29°C (-20°F) 3,100 Watt (10,600 Btu/h) 5.0 kW
Carrier -18°C (0°F) 6,010 Watt (20,500 Btu/h) 6.4 kW
Carrier 2°C (35°F) 10,250 Watt (35,000 Btu/h) 10.8 kW

 

Brand Air to Evaporator Cooling Capacity Power
Thermo King MAGNUM+ -35°C (-31°F) 4,104 Watt (14,000 Btu/h) 6.03 kW
Thermo King MAGNUM+ -29°C (-20°F) 5,041 Watt (17, 215 Btu/h) 6.6 kW
Thermo King MAGNUM+ -17.8°C (0°F) 7,258 Watt (24,785 Btu/h) 7.57 kW
Thermo King MAGNUM+ 1.7°C (35°F) 11,990 Watt (40,945 Btu/h) 11.03 kW
Thermo King MAGNUM+ 21.1°C (70°F) 16,603 Watt (56,700 Btu/h) 11.55 kW

Requirements

Horizontal Clearance 50 ft
Height Clearance 16 ft
Width Clearance 10 ft

The Truck

The 20ft Used Standard Refrigerated ISO Container is delivered using a 30 ft tilt bed truck. This delivery method requires 30 ft plus 20 ft the length of the container, so 50 ft in total.

Door Location

When placing your order, know the direction you want the container doors to face at your location. This determines whether we load the container "doors to the cab" or "doors to the rear" of the truck. On delivery day, our driver will back up to the location you’ve chosen and slide the container onto the ground.

Prepare the ground

Tilt bed trucks and trailers are heavy! In order for them not to get stuck, the ground needs to be compact and dry leading up to the drop location. Muddy roads are not suitable for a tilt bed truck, or pickup truck with tilt bed trailer to drive on. The driver will also need 30 ft of width for any turns they may need to make. If your location is already dry, compact, and level then you’re ready to go. If not, a common solution is laying down gravel, cement or pavement. To ensure the container is level, support all four corners with wood blocks.

Remove any obstructions

In addition to the container drop location, make sure to prepare the entire delivery site for the driver. Remove any obstacles in the way that would prevent the truck from reaching the delivery location. This includes low hanging tree branches, low power lines, overhangs etc. If there are any obstacles or issues you would like to bring to our attention please don’t hesitate to reach out to the Conexwest dispatch team. 

Looking for a generator for your refrigerated cold storage container? Here some great options we picked for you. Similar power generators can be found near your location.

Local generator rental companies

Image Company Type
Cresco 25kva generator for refrigerated cold storage container
Cresco 25 KVA = 22,500w
Cresco 36kva generator for refrigerated cold storage container
Cresco

36 KVA = 32,400w

United Rentals 15K watt generator for refrigerated cold storage container
United Rentals

15-17.9Kw = 15,000-17,900w

United Rentals 47K watt generator for refrigerated cold storage container
United Rentals

40-47Kw = 40,000-47,000w

  • 5 year warranty on new machinery and 10 years leak warranty on new container shell
  • Read more here

Carrier Refrigerated Container Alarm Codes

1

Alarm Code Cause Components Troubleshooting

Corrective Actions

2

AL05 Manual Defrost Switch Failure

Controller has detected continuous Manual Defrost Switch activity for five minutes or more.

Keypad Power cycle the unit.

Resetting the unit may correct problem, monitor the unit. If the alarm reappears after 5 minutes replace the keypad.

3

AL06 Keypad or Keypad Harness Fail

Controller has detected one of the keypad keys is continuously activity. Keypad or Harness Power cycle the unit.

Resetting the unit may correct problem, monitor the unit. If the alarm reappears replace the keypad and harness.

4

AL07 Fresh Air Vent Open with Frozen Set Point

The VPS is reading greater than 0 CMH while unit is in frozen mode. Vent Position Sensor (VPS)

Manually reposition vent and confirm using Cd45. Refer to VENT POSITION SENSOR SERVICE Section 6.25.

If unable to obtain zero reading, replace defective VPS.

5

AL10 CO2 Sensor Failure

Alarm 10 is triggered when the CO2 sensor voltage is operating outside of the 0.9 v to 4.7 v range, or if the sensor is out of range.

This is a display alarm and has no associated failure action.

Refer to eAutoFresh manual.

The alarm is triggered off when voltage is within operating range.

6

AL11 Evaporator fan 1 IP

Alarm 11 is triggered when configured for single evap operation and MC6 sensed high.

Evaporator Fan 1

The unit will suspend probe check diagnostic lo- gic and disable the probe check portion of defrost cycle.

AL11 is triggered off when MC6 sensed low.

7

AL12 Evaporator fan 2 IP

Alarm 12 is triggered when configured for single evap operation and KB10 sensed high.

Evaporator Fan 2

The unit will suspend probe check diagnostic lo- gic and disable the probe check portion of defrost cycle.

AL11 is triggered off when KB10 sensed low.

8

AL15 Loss of cooling

Unit fails to achieve 0.25C temperature delta for eight minutes before a probe−check defrost and then fails again for thirty minutes after the probe−check.

N/A Power cycle the unit.

Resetting the unit may correct problem, monitor the unit.

9

AL20 Control Contactor Fuse (F3) Control power fuse (F3A or F3B) is open.

Check F3A, if the fuse is open:

Check PA, PB, CH coils for short to ground, if short is found:

Replace the defective coil. Replace the fuse.

10

Check F3B, if the fuse is open:

Check ESV coil resistance at TP7 to TP9, if short to ground, or if resistance is less than 4 ohms, coil is defective. Check CF, ES, EF, HR coils for short to ground, if short is found, coil is defective.

Replace the defective coil. Replace the fuse.

11

Check Voltage at QC1:

If voltage is present, it indicates a defective microprocessor.

Refer to Controller Service Section 6.23.

12

AL21 Control Circuit Fuse (F1/F2) One of the 18 VAC controller fuses (F1/F2) is open. Refer to Cd08. System Sensors

Check system sensors for short to ground.

Replace defective sensor(s)

13

Wiring

Check wiring for short to ground.

Repair as needed.

14

Controller

Controller may have an internal short.

Replace controller, refer to Controller Service Section 6.23.

15

AL22 Evaporator IP Evaporator motor internal protector (IP) is open. Evaporator Motor

Shut down unit, disconnect power, & check Evaporator Motor IP at plug connection pins 4 & 6.

Replace defective evaporator fan motor, refer to EVAPORATOR FAN MOTOR Service Section 6.16.

16

AL23 Loss of Phase B

Controller fails to detect current draw. Incoming Power

Check incoming power source.

Correct power source as required.

17

AL24 Compressor IP

Compressor internal protector (IP) is open. Compressor

Shut down unit disconnect power, & check resistance of compressor windings at contactor T1−T2, T2−T3.

Monitor unit, if alarm remains active or is repetitive replace the compressor at the next available opportunity, refer to COMPRESSOR Service Section 6.8.

18

AL25 Condenser IP Condenser fan motor internal protector (IP) is open. Insufficient Air Flow

Shut down unit and check condenser fan for obstruc- tions.

Remove obstructions.

19

Condenser Fan Motor

Shut down unit, disconnect power, & check Condenser Fan Motor IP at plug con- nection pins 1 & 2.

Replace defective condenser fan motor, refer to Condenser Fan Motor Assembly Service Section 6.11.

20

AL26 All Sensors Failure: Supply/Return Probes Sensors out of range. All sensors. detected as out of range Perform Pre−trip P5:

If P5 passes, no further action is required.

21

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

22

AL27 Analog to Digital Accuracy Failure

Controller AD converter faulty. Controller

Power cycle the unit. If the alarm persists, it indicates a defective microprocessor.

Replace defective microprocessor, refer to Controller Service Section 6.23.

23

AL29 AutoFresh Failure

Alarm 29 is triggered if CO2 or O2 level is outside of the limit range and the vent position is at 100% for longer than 90 minutes.

Alarm LED will be activated and user intervention is re- quired.

Refer to eAutoFresh manual.

The alarm is triggered off when atmospheric con- ditions are within limit settings.

24

AL50 Air Vent Position Sensor (VPS) VPS Sensor out of range. Vent Position Sensor (VPS)

Make sure VPS is secure.

Manually tighten panel.

25

If the alarm persists, replace the sensor or the assembly.

Replace VPS.

26

AL51 EEPROM Failure Controller Memory Failure Controller

Pressing the ENTER key when “CLEAr” is displayed will result in an attempt to clear the alarm.

If action is successful (all alarms are inactive), AL51 will be reset.

27

Power cycle the unit. If the alarm persists, it indicates defective controller memory.

Replace defective controller, refer to Controller Service Section 6.23

28

AL52 EEPROM Alarm List Full

Alarm list queue is full. Active Alarms

Repair any alarms in the queue that are active. Indicated by “AA”.

Clear alarms, refer to CONTROLLER ALARMS Table 3-6.

29

AL53 Battery Pack Failure

Battery voltage low Battery

If this alarm occurs on start up, allow a unit fitted with rechargeable batteries to operate for up to 24 hours to charge rechargeable batteries sufficiently. Once fully charged, the alarm will deactivate.

To clear the alarm press ENTER and ALT simul- taneously at the startup of Cd19 (Battery Check). If alarm persists, replace the battery pack, refer to Section 6.23.5 Battery Replacement.

30

AL54 Primary Supply Sensor (STS) Invalid Supply Temperature Sensor (STS) reading. Supply Temperature Sensor (STS) Perform Pre−trip P5:

If P5 passes, no further action is required.

31

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

32

AL56 Primary Return Sensor (RTS) Invalid Return Temperature Sensor (RTS) reading. Return Temperature Sensor (RTS) Perform Pre−trip P5:

If P5 passes, no further action is required.

33

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

34

AL57 Ambient Sensor (AMBS)

Invalid Ambient Temperature Sensor (AMBS) reading.

Ambient Temperature Sensor (AMBS)

Test the AMBS, refer to TEMPERATURE SENSOR Service Section 6.24.

Replace AMBS if defective, refer to TEMPERATURE SENSOR Service Section 6.24.

35

AL58 Compressor High Pressure Safety (HPS) High pressure safety switch remains open for at least one minute.

High Pressure Switch (HPS)

Test the HPS; refer to High Pressure Switch, Section 6.9.

Replace HPS if defective, refer to High Pressure Switch, Section 6.9.

36

Refrigeration System

Check unit for air flow restrictions.

Clean or remove any debris from coils.

37

AL59 Heater Termination Thermostat (HTT)

Heat Termination Thermostat (HTT) is open.

Alarm 59 is trig- gered by the open- ing of the Heat Ter- mination Thermo- stat (HTT) and will result in the disab- ling of the heater.

Check for 24 volts at test point TP10, if no voltage at TP10 after unit has reached set point HTT is open.

Replace HTT if defective.

38

AL60 Defrost Temperature Sensor (DTS)

Failure of the Defrost Temperature Sensor (DTS) to open.

Defrost Temperature Sensor (DTS)

Test the DTS; refer to Sensor Checkout Proced- ure Section 6.24.1.

Replace the DTS if defective, refer to Sensor Replacement Section 6.24.2.

39

AL61 Heater Current Draw Fault Improper current draw during heat or defrost mode. Heater(s)

While in heat or defrost mode, check for proper current draw at heater contactors, refer to ELECTRICAL DATA Section 2.3.

Replace heater(s) if defective, refer to Section 6.15.2 Evaporator Heater Removal and Replacement.

40

Contactor

Check voltage at heater contactor on the heater side. If no voltage present:

Replace heater contact- or if defective.

41

AL63 Current Limit Unit operating above current limit. Refrigeration System

Check unit for air flow restrictions.

Clean or remove any debris from coils.

42

Check unit for proper operation.

Repair as needed.

43

Power supply

Confirm supply voltage/fre- quency is within specifica- tion and balanced accord- ing to ELECTRICAL DATA Section 2.3.

Correct power supply.

44

Current limit set too low.

Check current limit setting Code Cd32.

The current limit can be raised (maximum of 23 amps) using Cd32.

45

AL64 Discharge Temperature Sensor (CPDS)

Discharge Temperature sensor out of range.

Discharge temperature sensor (CPDS).

Test the CPDS; refer to TEMPERATURE SENSOR Service Section 6.24..

Replace the CPDS if defective, refer to TEMPERATURE SENSOR Service Sec- tion 6.24.

46

AL65 Discharge Pressure Transducer (DPT)

Compressor Discharge Transducer is out of range.

Compressor Discharge Transducer (DPT)

Confirm accurate DPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2.

Replace DPT if defective.

47

AL66 (SPT) Suction Pressure Transducer, (EPT) Evaporator Pressure Transducer Suction Pressure Transducer (SPT) out of range. Suction Pressure Transducer (SPT)

Confirm accurate EPT and SPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2. Performing a Pre−trip 5−9 test will also check the transducers.

Replace EPT/SPT if defective.

48

Monitor

If the alarm persists, it may indicate a failing compressor, refer to COMPRESSOR Service Section 6.8.

49

AL67 Humidity Sensor

Humidity Sensor (HS) reading out of range. Humidity Sensor (HS)

Make sure the humidity sensor is properly connec- ted in the socket and the wires have not been dam- aged.

Monitor, replace HS if alarm persists.

50

AL68 CPC Pressure Sensor (PS3)

Condenser Pressure Transducer (CPC) out of range.

Condenser Pres- sure Transducer (CPC)

NA

Unit will disable Con- denser Pressure Control if Configured.

51

AL69 Suction Temp Sensor (CPSS)

Suction Temperature Sensor (CPSS) out of range.

Suction Temperature Sensor (CPSS)

Test the CPSS, refer to TEMPERATURE SENSOR Service Section 6.24.

Replace CPSS if defective, refer to TEMPERATURE SENSOR Service Section 6.24.

52

AL70 Secondary Supply Sensor (SRS) Secondary Supply Sensor (SRS) is out of range. Secondary Supply Sensor (SRS) Perform Pre−trip P5:

If P5 passes, no further action is required.

53

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

54

AL71 Secondary Return Sensor (RRS) Secondary Return Sensor (RRS) is out of range. Secondary Return Sensor (RRS) Perform Pre−trip P5:

If P5 passes, no further action is required.

55

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

56

AL72 Control Temp Out of Range

After the unit goes in− range for 30 minutes then out of range for a continuous 120 minutes.

Refrigeration System

Ensure unit is operating correctly.

Power cycle unit. Control Temperature is in In−range. Any Pre−trip mode, re- sets the timers.

Need a brand new and reliable cold storage solution? Look no further than our 20ft New Standard Refrigerated Cold Storage Containers!

Maintain perfect temperatures for your cargo:

  • Carrier or Daikin units: -20°F to +70°F
  • Thermo King units: -40°F to +70°F

These containers are ideal for:

  • Food
  • Pharmaceuticals
  • Flowers
  • And any other temperature-sensitive items

Additional features:

  • Fits in a standard parking space: Easily store your container on-site without needing a large footprint.
  • Low humidity: Maintains optimal moisture levels to protect your goods.
  • Customizable: Tailor your container to your specific needs with side opening butcher doors (and other options available!).
  • 408-480V 3 Phase WYE 25 Amp electrical service: Provides ample power for your refrigeration unit.

Get a brand new refrigerated container and ensure the perfect temperature for your needs!

We also offer used cold storage containers. See if a used refrigerated container is right for you!

Have questions?

Schedule a call

 

Input BRY430P7W 480V 32A 3P plug

Container Plug BRY430P7W 480 V 3 Ph 30 Amp

Wiring Color Codes:

  1. Phase (Black) 208-230 V
  2. Phase (Red) 208-230 V
  3. Phase (White) 208-230 V
  4. Ground (Green)

NO NEUTRAL! 3 Phase WYE Only!

insulated walls

3” Insulated Walls

Fully insulated with 3” foam to maintain a constant internal temperature. Covers, walls, ceiling and floor. 

Reefer container doors

Secure Closing Cargo Doors with Locking Rods

The secure closing cargo doors provide a tight and protective seal. Fit with locking rods that engage at multiple points of contact along the top and bottom of the container.

  • Easy access 
  • Weather resistant 
  • Leak proof
  • Compatible with a cargo door lock
Corner Castings

Corner Castings

All storage containers for rent come standard with corner castings. They allow for stacking; lifting with a crane; and absorb the weight of the container. 

  • ISO 
  • Corten Steel
T-grade aluminum floor

Aluminum T-grade Floor

Strengthened thermal treated aluminum floor. Withstands abrasion from foot traffic, equipment and repeated use. Keeps the contents of the container elevated so that cold air can flow underneath.

two way forklift pockets

Two-way Forklift Pockets

Conveniently placed for mobility around the job site. Can be moved with a 15,000 lbs forklift.

External dimensions

Length 20 ft (6.58 m)
Width 8 ft (2.44 m)
Height 8 ft 6 in. (2.62 m)

Internal dimensions

Length 19 ft (5.8 m)
Width 7 ft 8 in. (2.34 m)
Height 7 ft 10 in. (2.38 m)

Weight

Tare Weight 6,370 lbs (2,890 kgs)
Payload 60,830 lbs (27,590 kgs)
Gross Weight 67,200 lbs (30,480 kgs)

Power requirements

Voltage 408-480 V
Amperage 25 Amps
Phases 3 Phase WYE

Cooling capacity at 38°C (100°F) ambient temperature

Brand Air to Evaporator Cooling Capacity Power
Carrier -29°C (-20°F) 3,100 Watt (10,600 Btu/h) 5.0 kW
Carrier -18°C (0°F) 6,010 Watt (20,500 Btu/h) 6.4 kW
Carrier 2°C (35°F) 10,250 Watt (35,000 Btu/h) 10.8 kW

 

Brand Air to Evaporator Cooling Capacity Power
Thermo King MAGNUM+ -35°C (-31°F) 4,104 Watt (14,000 Btu/h) 6.03 kW
Thermo King MAGNUM+ -29°C (-20°F) 5,041 Watt (17, 215 Btu/h) 6.6 kW
Thermo King MAGNUM+ -17.8°C (0°F) 7,258 Watt (24,785 Btu/h) 7.57 kW
Thermo King MAGNUM+ 1.7°C (35°F) 11,990 Watt (40,945 Btu/h) 11.03 kW
Thermo King MAGNUM+ 21.1°C (70°F) 16,603 Watt (56,700 Btu/h) 11.55 kW

Requirements

Horizontal Clearance 50 ft
Height Clearance 16 ft
Width Clearance 10 ft

The Truck

The 20ft Used Standard Refrigerated ISO Container is delivered using a 30 ft tilt bed truck. This delivery method requires 30 ft plus 20 ft the length of the container, so 50 ft in total.

Door Location

When placing your order, know the direction you want the container doors to face at your location. This determines whether we load the container "doors to the cab" or "doors to the rear" of the truck. On delivery day, our driver will back up to the location you’ve chosen and slide the container onto the ground.

Prepare the ground

Tilt bed trucks and trailers are heavy! In order for them not to get stuck, the ground needs to be compact and dry leading up to the drop location. Muddy roads are not suitable for a tilt bed truck, or pickup truck with tilt bed trailer to drive on. The driver will also need 30 ft of width for any turns they may need to make. If your location is already dry, compact, and level then you’re ready to go. If not, a common solution is laying down gravel, cement or pavement. To ensure the container is level, support all four corners with wood blocks.

Remove any obstructions

In addition to the container drop location, make sure to prepare the entire delivery site for the driver. Remove any obstacles in the way that would prevent the truck from reaching the delivery location. This includes low hanging tree branches, low power lines, overhangs etc. If there are any obstacles or issues you would like to bring to our attention please don’t hesitate to reach out to the Conexwest dispatch team. 

Looking for a generator for your refrigerated cold storage container? Here some great options we picked for you. Similar power generators can be found near your location.

Local generator rental companies

Image Company Type
Cresco 25kva generator for refrigerated cold storage container
Cresco 25 KVA = 22,500w
Cresco 36kva generator for refrigerated cold storage container
Cresco

36 KVA = 32,400w

United Rentals 15K watt generator for refrigerated cold storage container
United Rentals

15-17.9Kw = 15,000-17,900w

United Rentals 47K watt generator for refrigerated cold storage container
United Rentals

40-47Kw = 40,000-47,000w

  • 5 year warranty on new machinery and 10 years leak warranty on new container shell
  • Read more here

Carrier Refrigerated Container Alarm Codes

1

Alarm Code Cause Components Troubleshooting

Corrective Actions

2

AL05 Manual Defrost Switch Failure

Controller has detected continuous Manual Defrost Switch activity for five minutes or more.

Keypad Power cycle the unit.

Resetting the unit may correct problem, monitor the unit. If the alarm reappears after 5 minutes replace the keypad.

3

AL06 Keypad or Keypad Harness Fail

Controller has detected one of the keypad keys is continuously activity. Keypad or Harness Power cycle the unit.

Resetting the unit may correct problem, monitor the unit. If the alarm reappears replace the keypad and harness.

4

AL07 Fresh Air Vent Open with Frozen Set Point

The VPS is reading greater than 0 CMH while unit is in frozen mode. Vent Position Sensor (VPS)

Manually reposition vent and confirm using Cd45. Refer to VENT POSITION SENSOR SERVICE Section 6.25.

If unable to obtain zero reading, replace defective VPS.

5

AL10 CO2 Sensor Failure

Alarm 10 is triggered when the CO2 sensor voltage is operating outside of the 0.9 v to 4.7 v range, or if the sensor is out of range.

This is a display alarm and has no associated failure action.

Refer to eAutoFresh manual.

The alarm is triggered off when voltage is within operating range.

6

AL11 Evaporator fan 1 IP

Alarm 11 is triggered when configured for single evap operation and MC6 sensed high.

Evaporator Fan 1

The unit will suspend probe check diagnostic lo- gic and disable the probe check portion of defrost cycle.

AL11 is triggered off when MC6 sensed low.

7

AL12 Evaporator fan 2 IP

Alarm 12 is triggered when configured for single evap operation and KB10 sensed high.

Evaporator Fan 2

The unit will suspend probe check diagnostic lo- gic and disable the probe check portion of defrost cycle.

AL11 is triggered off when KB10 sensed low.

8

AL15 Loss of cooling

Unit fails to achieve 0.25C temperature delta for eight minutes before a probe−check defrost and then fails again for thirty minutes after the probe−check.

N/A Power cycle the unit.

Resetting the unit may correct problem, monitor the unit.

9

AL20 Control Contactor Fuse (F3) Control power fuse (F3A or F3B) is open.

Check F3A, if the fuse is open:

Check PA, PB, CH coils for short to ground, if short is found:

Replace the defective coil. Replace the fuse.

10

Check F3B, if the fuse is open:

Check ESV coil resistance at TP7 to TP9, if short to ground, or if resistance is less than 4 ohms, coil is defective. Check CF, ES, EF, HR coils for short to ground, if short is found, coil is defective.

Replace the defective coil. Replace the fuse.

11

Check Voltage at QC1:

If voltage is present, it indicates a defective microprocessor.

Refer to Controller Service Section 6.23.

12

AL21 Control Circuit Fuse (F1/F2) One of the 18 VAC controller fuses (F1/F2) is open. Refer to Cd08. System Sensors

Check system sensors for short to ground.

Replace defective sensor(s)

13

Wiring

Check wiring for short to ground.

Repair as needed.

14

Controller

Controller may have an internal short.

Replace controller, refer to Controller Service Section 6.23.

15

AL22 Evaporator IP Evaporator motor internal protector (IP) is open. Evaporator Motor

Shut down unit, disconnect power, & check Evaporator Motor IP at plug connection pins 4 & 6.

Replace defective evaporator fan motor, refer to EVAPORATOR FAN MOTOR Service Section 6.16.

16

AL23 Loss of Phase B

Controller fails to detect current draw. Incoming Power

Check incoming power source.

Correct power source as required.

17

AL24 Compressor IP

Compressor internal protector (IP) is open. Compressor

Shut down unit disconnect power, & check resistance of compressor windings at contactor T1−T2, T2−T3.

Monitor unit, if alarm remains active or is repetitive replace the compressor at the next available opportunity, refer to COMPRESSOR Service Section 6.8.

18

AL25 Condenser IP Condenser fan motor internal protector (IP) is open. Insufficient Air Flow

Shut down unit and check condenser fan for obstruc- tions.

Remove obstructions.

19

Condenser Fan Motor

Shut down unit, disconnect power, & check Condenser Fan Motor IP at plug con- nection pins 1 & 2.

Replace defective condenser fan motor, refer to Condenser Fan Motor Assembly Service Section 6.11.

20

AL26 All Sensors Failure: Supply/Return Probes Sensors out of range. All sensors. detected as out of range Perform Pre−trip P5:

If P5 passes, no further action is required.

21

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

22

AL27 Analog to Digital Accuracy Failure

Controller AD converter faulty. Controller

Power cycle the unit. If the alarm persists, it indicates a defective microprocessor.

Replace defective microprocessor, refer to Controller Service Section 6.23.

23

AL29 AutoFresh Failure

Alarm 29 is triggered if CO2 or O2 level is outside of the limit range and the vent position is at 100% for longer than 90 minutes.

Alarm LED will be activated and user intervention is re- quired.

Refer to eAutoFresh manual.

The alarm is triggered off when atmospheric con- ditions are within limit settings.

24

AL50 Air Vent Position Sensor (VPS) VPS Sensor out of range. Vent Position Sensor (VPS)

Make sure VPS is secure.

Manually tighten panel.

25

If the alarm persists, replace the sensor or the assembly.

Replace VPS.

26

AL51 EEPROM Failure Controller Memory Failure Controller

Pressing the ENTER key when “CLEAr” is displayed will result in an attempt to clear the alarm.

If action is successful (all alarms are inactive), AL51 will be reset.

27

Power cycle the unit. If the alarm persists, it indicates defective controller memory.

Replace defective controller, refer to Controller Service Section 6.23

28

AL52 EEPROM Alarm List Full

Alarm list queue is full. Active Alarms

Repair any alarms in the queue that are active. Indicated by “AA”.

Clear alarms, refer to CONTROLLER ALARMS Table 3-6.

29

AL53 Battery Pack Failure

Battery voltage low Battery

If this alarm occurs on start up, allow a unit fitted with rechargeable batteries to operate for up to 24 hours to charge rechargeable batteries sufficiently. Once fully charged, the alarm will deactivate.

To clear the alarm press ENTER and ALT simul- taneously at the startup of Cd19 (Battery Check). If alarm persists, replace the battery pack, refer to Section 6.23.5 Battery Replacement.

30

AL54 Primary Supply Sensor (STS) Invalid Supply Temperature Sensor (STS) reading. Supply Temperature Sensor (STS) Perform Pre−trip P5:

If P5 passes, no further action is required.

31

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

32

AL56 Primary Return Sensor (RTS) Invalid Return Temperature Sensor (RTS) reading. Return Temperature Sensor (RTS) Perform Pre−trip P5:

If P5 passes, no further action is required.

33

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

34

AL57 Ambient Sensor (AMBS)

Invalid Ambient Temperature Sensor (AMBS) reading.

Ambient Temperature Sensor (AMBS)

Test the AMBS, refer to TEMPERATURE SENSOR Service Section 6.24.

Replace AMBS if defective, refer to TEMPERATURE SENSOR Service Section 6.24.

35

AL58 Compressor High Pressure Safety (HPS) High pressure safety switch remains open for at least one minute.

High Pressure Switch (HPS)

Test the HPS; refer to High Pressure Switch, Section 6.9.

Replace HPS if defective, refer to High Pressure Switch, Section 6.9.

36

Refrigeration System

Check unit for air flow restrictions.

Clean or remove any debris from coils.

37

AL59 Heater Termination Thermostat (HTT)

Heat Termination Thermostat (HTT) is open.

Alarm 59 is trig- gered by the open- ing of the Heat Ter- mination Thermo- stat (HTT) and will result in the disab- ling of the heater.

Check for 24 volts at test point TP10, if no voltage at TP10 after unit has reached set point HTT is open.

Replace HTT if defective.

38

AL60 Defrost Temperature Sensor (DTS)

Failure of the Defrost Temperature Sensor (DTS) to open.

Defrost Temperature Sensor (DTS)

Test the DTS; refer to Sensor Checkout Proced- ure Section 6.24.1.

Replace the DTS if defective, refer to Sensor Replacement Section 6.24.2.

39

AL61 Heater Current Draw Fault Improper current draw during heat or defrost mode. Heater(s)

While in heat or defrost mode, check for proper current draw at heater contactors, refer to ELECTRICAL DATA Section 2.3.

Replace heater(s) if defective, refer to Section 6.15.2 Evaporator Heater Removal and Replacement.

40

Contactor

Check voltage at heater contactor on the heater side. If no voltage present:

Replace heater contact- or if defective.

41

AL63 Current Limit Unit operating above current limit. Refrigeration System

Check unit for air flow restrictions.

Clean or remove any debris from coils.

42

Check unit for proper operation.

Repair as needed.

43

Power supply

Confirm supply voltage/fre- quency is within specifica- tion and balanced accord- ing to ELECTRICAL DATA Section 2.3.

Correct power supply.

44

Current limit set too low.

Check current limit setting Code Cd32.

The current limit can be raised (maximum of 23 amps) using Cd32.

45

AL64 Discharge Temperature Sensor (CPDS)

Discharge Temperature sensor out of range.

Discharge temperature sensor (CPDS).

Test the CPDS; refer to TEMPERATURE SENSOR Service Section 6.24..

Replace the CPDS if defective, refer to TEMPERATURE SENSOR Service Sec- tion 6.24.

46

AL65 Discharge Pressure Transducer (DPT)

Compressor Discharge Transducer is out of range.

Compressor Discharge Transducer (DPT)

Confirm accurate DPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2.

Replace DPT if defective.

47

AL66 (SPT) Suction Pressure Transducer, (EPT) Evaporator Pressure Transducer Suction Pressure Transducer (SPT) out of range. Suction Pressure Transducer (SPT)

Confirm accurate EPT and SPT pressure readings, refer to MANIFOLD GAUGE SET Section 6.2. Performing a Pre−trip 5−9 test will also check the transducers.

Replace EPT/SPT if defective.

48

Monitor

If the alarm persists, it may indicate a failing compressor, refer to COMPRESSOR Service Section 6.8.

49

AL67 Humidity Sensor

Humidity Sensor (HS) reading out of range. Humidity Sensor (HS)

Make sure the humidity sensor is properly connec- ted in the socket and the wires have not been dam- aged.

Monitor, replace HS if alarm persists.

50

AL68 CPC Pressure Sensor (PS3)

Condenser Pressure Transducer (CPC) out of range.

Condenser Pres- sure Transducer (CPC)

NA

Unit will disable Con- denser Pressure Control if Configured.

51

AL69 Suction Temp Sensor (CPSS)

Suction Temperature Sensor (CPSS) out of range.

Suction Temperature Sensor (CPSS)

Test the CPSS, refer to TEMPERATURE SENSOR Service Section 6.24.

Replace CPSS if defective, refer to TEMPERATURE SENSOR Service Section 6.24.

52

AL70 Secondary Supply Sensor (SRS) Secondary Supply Sensor (SRS) is out of range. Secondary Supply Sensor (SRS) Perform Pre−trip P5:

If P5 passes, no further action is required.

53

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

54

AL71 Secondary Return Sensor (RRS) Secondary Return Sensor (RRS) is out of range. Secondary Return Sensor (RRS) Perform Pre−trip P5:

If P5 passes, no further action is required.

55

If P5 fails, replace the defective sensor as determined by P5, refer to TEMPERATURE SENSOR Service Section 6.24.

56

AL72 Control Temp Out of Range

After the unit goes in− range for 30 minutes then out of range for a continuous 120 minutes.

Refrigeration System

Ensure unit is operating correctly.

Power cycle unit. Control Temperature is in In−range. Any Pre−trip mode, re- sets the timers.

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